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Finding the Fourth Proportional to 88.47, 132.56 and 62.75

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Solution

The fourth proportional to 88.47, 132.56 and 62.75 is: 94.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.47 : 132.56 = 62.75 : x
  2. Step 2: Convert to fraction form
    88.47/132.56 = 62.75/x
  3. Step 3: Cross multiply
    88.47x = 132.56 × 62.75
  4. Step 4: Simplify right side
    88.47x = 8,317.16
  5. Step 5: Solve for x
    x = 8,317.16/88.47
  6. Step 6: Final answer
    x = 94.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.